A dictionary of architecture and building; biographical, historical and descriptive (1901)
Sturgis, Russell, 1836-1909 · New York, Macmillan · leaf 550
Fig. 4. Vaults may be classified thus : —As to form. Simple and Compound or Inter-secting ; rf —As to constniction, Solid and Ribbed. … Solid VanUing — Simple. The most an-cient form of vault is that known as the barrel,tunnel, wagon, or cradle vault. Its cross section
Architecture
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